BY G. F. HILL. 97 



sides and posterior margin rounded. Scapular shield angular; 

 cross-suture transverse. Thighs stout, flattened; tibia slender; 

 apical spines and claws large. Cerci small, cone-shaped. 



Soldier. — Head pale yellow, antennae with the base and apex of 

 each segment white-banded; jaws dark castaneous; rest of insect 

 dull white. Length, 2|mm., exclusive of jaws; jaws 1 mm. 

 Head long, slender, cylindrical, rounded behind, sides straight 

 to near the antennal clefts, truncate in front, with the forehead 

 produced into a long cone-shaped projection directed slightly 

 upwards, and extending as far forward as the apex of the labrum. 

 Clypeus small, rounded in front, whitish in colour. Labrum 

 long, very slightly contracted towards the apex, which is pro- 

 duced into a sharp point at either side and bears a few long 

 hairs. Antennae long, slender, hairy, 14-jointed, springing from 

 circular clefts within angular depressions on the side of the head; 

 1st joint long, stout, nearly cylindrical; 2nd one-half the length 

 of the 1st, slender; 3rd and 4th small, moniliform; 5th 13th 

 increasing in length, slightly turbinate; 14th longer than 13th, 

 elongate-oval. Jaws very long, longer than head, curved, slender, 

 springing from the centre of the head, curved downwards to near 

 the tips, which are straighter and flattened on one side. At the 

 base of the left jaw, there is a large blunt fang opposed to a 

 bluntened projection on the right. Prothorax small, not as wide 

 as head, the apical half rounded in front, and. turned up nearly 

 at right angles, the sides sloping back to the hind margin, which 

 is slightly indented in the middle. Abdomen elongate-oval, 

 rounded in section. Femora flattened. Tibia long, slender, 

 with small apical spines and large claws. Cerci small, hairy. 



Worker. — Head and antennae paler than soldier, with ferru- 

 ginous spots on either end of the clypeus. Head large, rounded, 

 more hairy than that of the soldier. Clypeus large, convex, 

 rounded behind, lobed. Labrum large, rounded in front. An- 

 tennae 14-jointed, hairy, 3rd and 4th joints smallest. Legs stout; 

 tibial spines small; claws large. Cerci small, hairy. The pos- 

 terior opening always appears to be distended, as in the soldiers. 

 Length, 3 mm. 



Eggs. — Pale yellow, curved, bluntly rounded at the ends, ^mm. 

 in length, 

 11 



